Telephone desk set



yPatented Jan. 13, 1931 y d, of the "handset properl" placed onA its seaty jas ` Lor NEW rom:

This invention relates to' telephone desk sets or hand ysetfmountings of the characterjl adapted to hold a telephone handset of the type in which `atran`smi`tter. and af receiver *are munted'on aicommon handleandfbythe" seatingof they handsety tofcvo'ntrol contacts in. afcircuit thereof for placin'gthe set and out 4of operativeconnection.

An object of thisv invention isy topreventff false operation due tothe handsetfailing to seat itselfr properly when placed on ythe mounting l f Anothery object is to prevent the ,fouling or vchanging of, the i, adjustment of the con-y tact springs mounted yin the base of` ay desk Set. im I i y This and `-other..objectsQof this inventionY will be apparent from'y the following de-`r scription considered, inconnection 'with the appended drawingfin which one embodiment of theimproved devicejs illustrated. u

In the drawing,Fig.1. 's aside view of the desk setwvith a p nrtion ofthe basef 'broken away tov -show apparatusfingfthebase and a 'view infy perspective foi the handset. this View the handle. is shown Aimproperly placed on the'mounting.`y

Fig. 2 vis 'a sidev viewl showinga portion ing with a portion of -t e'basebroken; away to showA the actin olfthelswitchingmecha;y

Figg3 is a view of the apparatus" supporting bracket which .fisgrnounted iny the base of* thefdesk'set,and. l Fi 4 Ais an enlarged sectional` view along i the lhnes 4-4-4 of Fig. 1 v ofy a "standard,v` and to ofpstandard 6 against the ltop of base 5.

through and beyond. stan buttonsfll composedQof. hard; yrubber -a`re` ing. against thelower lend o`f stan The standard aniintegralcradle man1: l y ber 8 formed on its upper portionwhich extends' outwardlyonjeither sidefthereoif The".-

preferably turned outwardly Fisl andpf'; f f *.T-sh

to move 'vertically injthefstandard 61j. The

spindle.v 1'0 isfsupiorted in' 'standard by I' means of twpiha and lextends (rubber `lm'alrunif-zs1:12 'and 13 whichI are placed yin ,recessed portions Tvin theupper and'lower'portions respectively 'of standxa'mrdl a `A'`spi1al v spring 32,y ajportionf' of which hasj'beenomitted for the purposeyofQv showing spindle v10, en circlesthe sp`i1'1dle`10A .along the' 4Spindle btweenxthe two befarin'gs`r 12-and 13,- When a.handset"`as shownby- 40 inFig`.' -1i's placedfonv the' 1'5- 70" shaped plunger, the weightthereof causes the,

,depression of spring 32. .Thehoriontal bari.`

due ,to

fthehandsetyf The .lower end of they s ,indle10; extends"r 39 atfs'uch timeV 4fits ,into the", depression 19' l.provided .fdr it Aand the handsetis'said, .tozlie seated, The bar 9`gresting in idepressionilg; f t

the weight of 'the handsehf4 is defined 4orthe purpose of more clearly describing 4 ythe `details of this inventiun, Lasf` the seating kso ard 6.1, .Rounded l mounted on strap 33..whicl1is"'attachedftdf the lower `end of spindle `10 by means ofthe:

"scre'w 34. .The straprthus. arran edfacts,

e-spinfpxcontact- L ard y6,j` l v 20 represents lva l supporting:bracket which.v

l is provided forthe supportof thev switchingl 99 i to limit the upward-movementjof ft dle under the tensionlof spring 32h base 5.This supporting bracket is agone ysprmgs and forho'lding .thelcord.withinLthe i piece metal stamping. having L .extensions :for fr lugs 2 6to which thecontactsprings inthe, base are attached. The ltwo contact spring y members 14 extend beneath therubber butvtonsy 11gk andy are adapted I to cooperate .with

@other `oo ntmtf spring members `in the wellf known vmanner so that-.when the handset vis placed upon its seating the spindle 10 is de:` "my upwardly` therebyl removlng t ofthetelep portionsff 'of the pressed: causingl the' rubber buttons 11 to operate-the-contacts so as to connect the handset in the telephone circuit. When the handset is removed fromits seatingthe spindle under action of s prin 32 is moved tons from' the spring members '14' andl the contact springs operate to 4remove the handset from the telephone circuit. L

The supporting bracket is also provided with two'extensions 23'for. attaching the bottom late 30,',which may be covered' with felt evident from the factthat two extensions 23 areprovided for theattachment ofthe bottomplate although only one screwis shown p v l of the cradle an' on top of'oneof the arms at on the' drawing.v The supporting bracket is also provided with an extension 25 which is ymypierced with small' holes :B6-provided. for the purpose of.l securing by meansof metal. cli-ps 51,'the tele lhone connection cord 50 whichr a bushingv atV 31. most tothe iloor of enters the ase5 throu h This extension extends 'a the bottom late so that there is no possibility lng vthe contactspring mechanism in the base:v

"standard by means of the circularfnut 16 which is: screwed on threaded ortion ,21. The extensions 26 areeach provi ed with an ear 24,., said', ears being attachedto' inturned base for.' the purpose of rigidlyysup orting'the bracket; Itis thus seen that-t le v one-piece sup is supported by'jthe to supportl 4the contactvrings 1 and ,to v{h'cld 1 .thegcord in the base,

points, on'e pointl Ling at' t epoint ofipSRP- tached tothe base are sutlicientlyf removed from andflocated oppositely the support 'rofl-` the` bracket to the standard so that no` pres-y .Y sure can be thrown on the contactsprings.to' throw them outl of adjustment. Duelto. the-f between one parofarm's at one Yextremityy of said handle, the center'. of'gravity of the fact,v that the telephone. cord near the point of entry into the,A portin br`v` ket,'the possibility. of changing,

i .'thefadjustment ofthe contact `springs by tension placed on the. cordi conductors at the contact spring terminals isavoided.

The cradlea-rms-'Z areso' paced and-shaped '4 in relation'to the shapeoffthe handle of the vhandset 401that'if the handset', in an attempt to seatit, is placed carelesslyA on any" ortion of the four arms 7, as illustrated byl ig. 1,"

the-S handset 40 will' automatically be guided bythe cradle' tines `on to thehands'et seating c5 wandwill cause thespindle to operate the cone, rubber but.-

one cord. working its way under the extension. Thev telephone cord. is thus1 c revented from ,being forced into ,and foulorting.: bracket an i'n'turnY servesi inthe yd'sk"5&1- iS assembled. the bracket, 'alsrcanfjeasily seen'.

from ,the 'drawin is -sup orted -at-.thre"e jiplaced upon end thereof, said arms ase isattached t0' the sup-y una?" tacts and disconnect the handset from the tele hone circuit. A. common fault with han set mountings on desk sets of this type has been Ithat the handset when unintentionall -placed on the cradle in acrosswise po sitionwillhang up and lwillnot seat itself. When this occurs the contactspring's in the base are not operated and the handset kremainsconpected in the telephone circuit. Another common' fault is where thehandset handle s is.v placed 'properlyy between the two cradle arms at'A one end ofthe cradle -and rests onltopo one ofthe arms at the Aother end of the cradle.` vsigned according possible for the lacedb'etween the cradle arms at ythisl invention itis imone lend With the cradle arms de-- andset handle to remainA the. other end of the' cradle. When the hand'- set'is'y placed inthis position due to the shaping and spacing of t e arms the handle slides downtheinner side ofthe arm in which it from the handset `is automatically Vprising a-cradle member for seating the'hani vdle of a handset, andal pair lofarx'ns at each extremityof said `cradle member,'the up r portions ,of said armsshaped'such tha'tw en 'one end 'of the handle of aj handset is'placed between one pair of arms of said cradle member and on .either ofthe other arms,'the center line ofsaidhandlefwill befwithin the tips ofrthe latter; Y i

2. AmountingA for telephone handsets comprisin a 'cradle member forl seating'the han` dle o a handsetand cradle arms .thereon spaced jandi'shap'edfin relation to vthe shape f of a handle of'a handset so'fthat a handset the seating portion of said crav p v dle and any of said arms will be guided' portzto'the standard andthe other/two points,

fonte` seatingportion of 4cradle memi ein the inturned extensiongjn thelsldeofgzhbe the ase* The twoextensions which" are' 11.11;,

3.' telephone' desk :setcmprisnga handand a cradle member for seatmg'sad n 'handset and having a pair of armsat each spaced andv shaped with' to the shape of the handle of said handset, that if said handset is seated L a standard mounted on said base', a plunger` adapted `to be depressed by al handset and to work in'said standard' switching mecha- .nisrn in said base adapted said plunger, and a one-piece supporting,

bracket secured to said standard, to sai phonehandsets comto be operated by base and to said bottom p for supporting said plate, said bracket having extensions switching mechanism. l

5. A mounting for telephone handsets comi n serves as a cord fastener.

6. A mounting for telephone handsets comprising a base, a bottom plate for said base, a standard mounted on lsaid base, a plunger adapted to be depressed by a handset handle and to work in said standard, switching mechanism in said base adapted to be operated by said plunger, and a one-piece supporting bracket in said base attached to unseated end of the handle will be inside the tip of the arm whereby said handle is seated by gravity.

In witness whereof, I hereunto subscribe my7name this 21 dayof November, A. D. 192 e y t Y i WILLIAM H. SCHARRINGHUSEN.

said standard, said bracket having lugs for y securing said bottom plate, for holding said switching mechanism and for fastening a telephone cord adapted to be connected to said mechanism.

7. A mounting for telephone handsets comprising a base,` a bottom plate for saidv base, a standard having a cradle member adapted to seat the handle of a handset, a plunger adapted to be depressed bythe seating ofthe handset and 'to work in said standard, switching mechanism adapted to be operated by said plunger in said base, and a bracket inA said base, said bracket having a plurality of lugs, certain of which support vsaid bottom plate, others of 4which support said switching mechanism, and another of which serves to hold a telephone cord adapted to 'be' connected to said mechanism.

`8..A telephone desk set comprising a handset, a cradle member, and a pair of outwardly e curved arms at each end of said cradle member for guiding said handset on to the seatingy portion of said cradle member, the distance between the tips of said pairsy of arms is such that when one end of said handset is placed on said seating. portion between one of said pairs of arms,'its other end cannot be placed on' a tip of and made to rest on one of the other of .said pairs yof arms.. i

.9.- A telephone desk set `comprising ahandset and a cradle member for seatingsaid handset, having a pair ofv outwardly curved arms at each end thereof, the distance between the tips of said arms is such with respect to the width oflthe handle of said 'alsY aov handset'thatif ya handset is seated between one pair of arms at one end of the cradle andthe handle touchesthe tip fof an arm at the otherV end, the center of gravity of the 

